September weather forecastOnankali, Namibia
September
Weather in September
The first month of the spring, September, is still a tropical month in Onankali, Namibia, with an average temperature varying between 34.8°C (94.6°F) and 17.6°C (63.7°F).Temperature
Onankali's weather in September shows a minor rise in the average high-temperature, moving slightly up from August's hot 30.8°C (87.4°F) to a still tropical 34.8°C (94.6°F). Against the backdrop of high daytime temperatures, an average low-temperature of 17.6°C (63.7°F) is noted during September nights.Humidity
The least humid month is September, with an average relative humidity of 17%.Rainfall
In Onankali, rain does not fall in May through September.Daylight
The average length of the day in September is 12h and 0min.On the first day of the month, sunrise is at 07:01 and sunset at 18:47. On the last day of September, sunrise is at 06:36 and sunset at 18:51 CAT.
Sunshine
August and September, with an average of 10h of sunshine, are months with the most sunshine.UV index
January, September through December, with an average maximum UV index of 7, are months with the highest UV index in Onankali. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 7 during September morphs into the following directions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Onankali, Namibia
- Average high temperature in September: 34.8°C
The warmest month (with the highest average high temperature) is October (35.8°C).
The month with the lowest average high temperature is June (26.7°C).
- Average low temperature in September: 17.6°C
The month with the highest average low temperature is December (23.3°C).
The coldest month (with the lowest average low temperature) is July (11.3°C).
Average pressure in September
Onankali, Namibia
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is July (1018.7mbar).
The months with the lowest atmospheric pressure are January and December (1009.4mbar).
Average wind speed in September
Onankali, Namibia
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is July (13.4km/h).
The calmest month (with the lowest average wind speed) is February (9.6km/h).
Average humidity in September
Onankali, Namibia
- Average humidity in September: 17%
The month with the highest relative humidity is March (55%).
The month with the lowest relative humidity is September (17%).
Average rainfall in September
Onankali, Namibia
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is January (62mm).
The driest months (with the least rainfall) are May, June, July, August and September (0mm).
Average rainfall days in September
Onankali, Namibia
- Average rainfall days in September: 0.5 days
The month with the highest number of rainy days is March (17.5 days).
The months with the least rainy days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Onankali, Namibia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in September: 10h and 0min
The months with the most sunshine are August and September (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 8h and 54min).
Average sunshine days in September
Onankali, Namibia
- Average sunshine days in September: 29.5 days
The months with the most sunshine days are July and August (31 days).
The month with the least sunshine days is February (11.2 days).
Average UV index in September
Onankali, Namibia
- Average UV index in September: 7
The months with the highest UV index are January, September, October, November and December (UV index 7).
The months with the lowest UV index are June and July (UV index 5).
Average cloud cover in September
Onankali, Namibia
- Average cloud cover in September: 4
The months with the most cloud cover are January, February and March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 1).
Average visibility in September
Onankali, Namibia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
